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4. Remove the wing nut and slide the foam and paper air
cleaner assembly off the stud (Fig. 29).
5. Carefully slide the foam element off the paper element
(Fig. 29).
Cleaning the Foam Element
1. Wash the foam element in liquid soap and warm water.
Note: When the element is clean, rinse it thoroughly.
2. Dry the element by squeezing it in a clean cloth (do not
wring) and allow the element to air dry.
3. Put oil on the element (Fig. 30).
1
Figure 30
1. Foam element
Note: Squeeze the element to distribute the oil.
Important
Replace the foam element if it is torn or
worn.
Cleaning the Paper Element
1. Lightly tap the element on a flat surface to remove dust
and dirt (Fig. 31).
2
Figure 31
1. Paper element
2. Inspect the element for tears, an oily film, and damage
to the rubber seal.
2
m–5117
2. Oil
1
m–5118
2. Rubber seal
29
Important
Never clean the paper element with
pressurized air or liquids, such as solvent, gasoline, or
kerosene. Replace the paper element if it is damaged or
cannot be cleaned thoroughly.
Installing the Foam and Paper Elements
Important
To prevent engine damage, always operate
the engine with the complete foam and paper air cleaner
assembly installed.
1. Carefully slide the foam element onto the paper air
cleaner element (Fig. 29).
2. Place the air cleaner assembly onto the air cleaner base
(Fig. 29).
3. Install the air cleaner cover and secure it with the cover
nut (Fig. 29).
Servicing the Engine Oil
Service Interval/Specification
Change the oil after every 100 operating hours.
Note: Change the oil more frequently when the operating
conditions are extremely dusty or sandy.
Oil Type: Detergent oil (API service SG or SH)
Crankcase Capacity: w/filter, 64 oz. (1.9 l)
Viscosity: See the table below.
USE THESE SAE VISCOSITY OILS
10W–30, 10W–40
5W–20, 5W–30
–20
0
20
32
40
°F
–30
–20
–10
0
°C
Checking the Engine Oil Level
1. Park the machine on a level surface.
2. Disengage the PTO, move the motion control levers to
the neutral locked position, and set the parking brake.
80
100
60
10
20
30
40
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